| Sulphur to Noventa Vicentina | 5,415.07 mi (8,714.71 km) |
| Sulphur to Novi di Modena | 5,402.74 mi (8,694.87 km) |
| Sulphur to Novi Ligure | 5,318.17 mi (8,558.76 km) |
| Sulphur to Nuoro | 5,497.82 mi (8,847.89 km) |
| Sulphur to Occhiobello | 5,430.14 mi (8,738.96 km) |
| Sulphur to Oderzo | 5,436.44 mi (8,749.11 km) |
| Sulphur to Oggiono | 5,306.61 mi (8,540.16 km) |
| Sulphur to Olbia | 5,483.96 mi (8,825.57 km) |
| Sulphur to Oleggio | 5,282.90 mi (8,502.00 km) |
| Sulphur to Olgiate Comasco | 5,290.60 mi (8,514.39 km) |
| Sulphur to Olgiate Olona | 5,292.25 mi (8,517.06 km) |
| Sulphur to Omegna | 5,263.93 mi (8,471.48 km) |
| Sulphur to Opera | 5,314.86 mi (8,553.44 km) |
| Sulphur to Oppeano | 5,399.95 mi (8,690.37 km) |
| Sulphur to Orbassano | 5,256.51 mi (8,459.54 km) |
